(19)

(11)

EP 4 680 317 A1

(12)

(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24714014.8 (22) Date of filing: 15.03.2024

(51) International Patent Classification (IPC):  A61M 25/00(2006.01) A61M 27/00(2006.01) A61M 25/01(2006.01) (52) Cooperative Patent Classification (CPC): A61M 27/00; A61M 25/0017; A61M 25/002; A61M 25/0111; A61M 2210/1078; A61M 2210/1085; A61M 2210/1089 (86) International application number: PCT/GB2024/050719 (87) International publication number: WO 2024/194612 (26.09.2024 Gazette 2024/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 17.03.2023 US 202363452854 P 04.04.2023 GB 202305009 (71) Applicant: ConvaTec Limited Deeside, Flintshire CH5 2NU (GB)	(72) Inventors: NOVAK, Marian Deeside, Flintshire CH5 2NU (GB) PFLEGER, Oliver Deeside, Flintshire CH5 2NU (GB) (74) Representative: Wilson Gunn  Centurion House 129 Deansgate Manchester M3 3WR Manchester M3 3WR (GB)